Space Fill Collection

HIV reverse transcription enzyme. Molecular models of the reverse transcriptase enzyme found in HIV (the human immunodeficiency virus)

RNA-editing enzyme, molecular model
RNA-editing enzyme. Molecular model of a left-handed, RNA double helix (Z-RNA, centre) bound by the Z alpha domain of the human RNA-editing enzyme ADAR1 (double-stranded RNA adenosine deaminase)

Water molecule. Computer model of a molecule of water. Atoms are colour-coded: oxygen (red) and hydrogen (white). Water is one of the most abundant chemicals on Earth

Valdecoxib anti-inflammatory drug
Valdecoxib, computer model. This drug was used in the treatment of osteoarthritis, rheumatoid arthritis and menstrual symptoms under the trade name Bextra

Parathyroid hormone molecule. Computer model showing the structure of parathyroid hormone (PTH), or parathormone. Atoms are colour-coded (carbon: dark grey, hydrogen: light grey, oxygen: red)

Diclofenac anti-inflammatory drug, molecular model. This is a non-steroidal anti-inflammatory drug (NSAID) that is used in the treatment of pain and inflammation

Domperidone anti-sickness drug molecule
Domperidone anti-sickness drug, molecular model. Atoms are represented as spheres and are colour-coded: hydrogen (white), carbon (grey), oxygen (red), nitrogen (blue) and chlorine (green)

Abiraterone prostate cancer drug molecule
Abiraterone prostate cancer drug, molecular model. Abiraterone blocks the production of testosterone by inhibiting an enzyme involved in its formation. This leads to the death of the cancerous cells

Bleomycin drug molecule F005 / 6675
Bleomycin, molecular model. Bleomycin is an antibiotic produced by the bacterium Streptomyces verticillus. It is used in the treatment of cancer and warts

Minocycline antibiotic molecule
Minocycline antibiotic, molecular model. Minocycline is a tetracycline class antibiotic. It is commonly used to treat acne vulgaris

Clopidogrel anti-clotting drug molecule F005 / 6720
Clopidogrel anti-clotting drug molecule. This drug (brand name Plavix) is a an antiplatelet drug that inhibits thrombus (blood clot) formation

MicroRNA molecule
MicroRNA (miRNA), molecular model. This miRNA (micro ribonucleic acid) oligonucleotide regulates the expression of a target gene

Sibutramine anti-obesity drug molecule
Sibutramine anti-obesity drug, molecular model. This drug was withdrawn from the market in 2010 due to safety concerns. Atoms are represented as spheres and are colour-coded: hydrogen (white)

HIV-1 protease molecule
HIV-1 protease, molecular model. This enzyme, from HIV (human immunodeficiency virus), cleaves viral polyproteins into functional proteins that are essential for viral assembly and infectivity

Yeast DNA recognition, molecular model F006 / 9282
Yeast DNA recognition. Computer model showing a GAL4 transcription activator protein bound to a yeast DNA (deoxyribonucleic acid) molecule (red and blue)

Phospholamban membrane protein molecule
Phospholamban membrane protein. Molecular model of the type II membrane protein phospholamban (PLN), which is found in cardiac muscle cells

Grass pollen allergen molecule
Grass pollen allergen. Molecular model of the major grass pollen allergen Phl p2 complexed with the antigen-binding fragment (fab) of its human immunoglobulin E antibody

Viral RNA-binding protein molecule
RNA-binding protein. Molecular model of the nonstructural protein 2 (NSP2) RNA-binding protein from the rotavirus. This enzyme is essential for the formation of viroplasms

Photosystem II molecule
Photosystem II. Molecular model of the photosystem II complex. Photosystems are protein complexes involved in photosynthesis

Kinesin motor protein. Molecular model of the ncd kinesin motor protein. Kinesin motor proteins transport vesicles containing intracellular cargo around the cell along microtubules

Biotin-binding RNA molecule
Biotin-binding RNA (ribonucleic acid), molecular model. This RNA molecule is a pseudoknot, formed from stem-loop structures. It binds to the vitamin B7 (biotin)

Cre-Lox recombination, molecular model
Cre-Lox recombination. Molecular model of the enzyme CRE (cyclization recombination) recombinase (blue) mediating the recombination of strands of DNA (deoxyribonucleic acid, pink and yellow)

Bacterial protease molecule. Computer model of a molecule of HsIUV protease complexed with its chaperone protein from a bacterium. Proteases are enzymes that break down proteins

Sodium-potassium ion pump proteins C015 / 9993
Sodium-potassium ion pump proteins, molecular model. Sodium-potassium ATPase (adenosine triphosphatase) is an ATP-powered ion pump found in all animal cells

Sodium-potassium ion pump proteins C015 / 9997
Sodium-potassium ion pump proteins, molecular model. Sodium-potassium ATPase (adenosine triphosphatase) is an ATP-powered ion pump found in all animal cells

Chymotrypsin inhibitor 2 molecule C015 / 8937
Chymotrypsin inhibitor 2, molecular model. This enzyme is a serine protease inhibitor (serpin) found in barley (Hordeum vulgare) seeds

Chymotrypsin inhibitor 2 molecule C015 / 8902
Chymotrypsin inhibitor 2, molecular model. This enzyme is a serine protease inhibitor (serpin) found in barley (Hordeum vulgare) seeds

Transcription factor complexed with DNA C014 / 0869
Transcription factor complexed with DNA. Computer model showing sterol regulatory element binding transcription factor 1 (SREBF1, horizontal) bound to a section of DNA (deoxyribonucleic acid)

Chymotrypsin inhibitor 2 molecule
Chymotrypsin inhibitor 2, molecular model. This plant enzyme is a serine protease inhibitor (serpin). It is thought that serpins in plants are a defence mechanism against insect and herbivore attack

Stilbene synthase molecule C014 / 2292
Stilbene synthase, molecular model. This enzyme is produced by some plants (including grapes, peanuts and blueberries) in response to stress from either ultraviolet light or certain fungi

Transcription factor complexed with DNA C014 / 0870
Transcription factor complexed with DNA. Computer model showing a max protein (green) bound to a strand of DNA (deoxyribonucleic acid, pink)

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"Exploring the vast expanse of space, where even the tiniest molecules find their 'space fill'. " In this captivating image, we witness a fascinating array of molecular structures that have revolutionized various fields of science and medicine. At the forefront is the HIV reverse transcription enzyme, an essential player in understanding and combating this devastating virus. Its intricate design holds secrets to unlocking potential treatments for HIV/AIDS. Adjacent to it floats a water molecule, seemingly simple yet vital for life as we know it. This humble compound supports countless biological processes and sustains our very existence. Moving further into the realm of pharmaceutical breakthroughs, we encounter Valdecoxib—an anti-inflammatory drug that brings relief to those suffering from pain and inflammation caused by conditions like arthritis. Next up is an RNA-editing enzyme's molecular model—a remarkable tool enabling scientists to modify genetic material with precision. This innovation has immense implications for gene therapy and treating inherited diseases. A striking sight follows: a ribonuclease with an RNA/DNA hybrid structure—a testament to scientific ingenuity in unraveling the intricacies of genetic information transfer within cells. The parathyroid hormone molecule takes center stage next—regulating calcium levels in our bodies and ensuring proper bone health. Understanding its structure aids researchers in developing therapies for disorders like osteoporosis. As we venture deeper into medical advancements, we come across Donepezil—the Alzheimer's drug molecule offering hope amidst cognitive decline. Its discovery represents progress towards improving quality of life for millions affected by this debilitating disease. Further along, Penicillin G emerges—a groundbreaking antibiotic that revolutionized modern medicine by fighting bacterial infections effectively. Its discovery paved the way for numerous lifesaving antibiotics used today. Rosuvastatin joins our cosmic journey—a cholesterol-lowering drug instrumental in reducing cardiovascular risks worldwide. This tiny molecule plays a significant role in preventing heart disease—one step closer to healthier hearts globally.